Hello:
This patch was applied to netdev/net.git (master)
by David S. Miller <davem@xxxxxxxxxxxxx>:
On Wed, 23 Feb 2022 22:19:54 +0100 you wrote:
> xennet_destroy_queues() relies on info->netdev->real_num_tx_queues to
> delete queues. Since d7dac083414eb5bb99a6d2ed53dc2c1b405224e5
> ("net-sysfs: update the queue counts in the unregistration path"),
> unregister_netdev() indirectly sets real_num_tx_queues to 0. Those two
> facts together means, that xennet_destroy_queues() called from
> xennet_remove() cannot do its job, because it's called after
> unregister_netdev(). This results in kfree-ing queues that are still
> linked in napi, which ultimately crashes:
>
> [...]
Here is the summary with links:
- [v2] xen/netfront: destroy queues before real_num_tx_queues is zeroed
https://git.kernel.org/netdev/net/c/dcf4ff7a48e7
You are awesome, thank you!
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